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154053121 = 196122179
BaseRepresentation
bin10010010111010…
…10101000000001
3101201212201011011
421023222220001
5303414144441
623141520521
73550300315
oct1113525001
9351781134
10154053121
1179a60432
1243713141
1325bba9c1
1416661b45
15d7d0581
hex92eaa01

154053121 has 12 divisors (see below), whose sum is σ = 164938800. Its totient is φ = 143486640.

The previous prime is 154053091. The next prime is 154053131. The reversal of 154053121 is 121350451.

It is a happy number.

It is not a de Polignac number, because 154053121 - 227 = 19835393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154053092 and 154053101.

It is not an unprimeable number, because it can be changed into a prime (154053131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69610 + ... + 71788.

It is an arithmetic number, because the mean of its divisors is an integer number (13744900).

Almost surely, 2154053121 is an apocalyptic number.

It is an amenable number.

154053121 is a deficient number, since it is larger than the sum of its proper divisors (10885679).

154053121 is an equidigital number, since it uses as much as digits as its factorization.

154053121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 154053121 is about 12411.8137675362. The cubic root of 154053121 is about 536.0724648165.

The spelling of 154053121 in words is "one hundred fifty-four million, fifty-three thousand, one hundred twenty-one".

Divisors: 1 19 61 1159 2179 3721 41401 70699 132919 2525461 8108059 154053121